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JPL Small-Body Database Browser
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(2009 XH8)
Classification: Amor [NEO]          SPK-ID: 3483649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4797319247767673 9.803e-05  
a 2.065784469525879 0.00040927 au
q 1.074761709786276 1.0428e-05 au
i 4.926448728114634 0.00080899 deg
node 79.3186131969194 0.001834 deg
peri 1.469264191004485 0.0037923 deg
M 53.60618491458671 0.37045 deg
tp 2458439.012713015231
(2018-Nov-16.51271302)
1.068 TDB
period 1084.490966987238
2.97
0.32229
0.0008824
d
yr
n .3319529723701576 9.8649e-05 deg/d
Q 3.056807229265482 0.00060561 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      55 days  
   first obs. used      2009-12-15  
   last obs. used      2010-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .40658  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:58:45  

Additional Information
 Earth MOID = .0904687 au 
 Jupiter MOID = 2.22202 au 
 T_jup = 3.620 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.2   n/a MPO172390  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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